Jebs Choke Tubes 12ga MOBL 685 Brand_HHA Sports Features: OLED Display with blue Features: OLED Display with blue yardage and yellow battery indicator 2 min scan mode External trigger with adhesive Separate red dot visible laser for calibration Cr2 battery Yardage displayed is always horizontal distance (angle compensation built in) 284 Crescent 3 Pack Nothing is more irritating than stopping your practice or pursuit to search for a missing arrow Jebs Waterfowl Choke Tube 12ga MOBL Choke Threads685 JEBS High Voltage Choke Tubes are designed to easily and effectively handle steel The patented design gives the shooter a more consistent shot pattern